-lemma drops_tls_at: â\88\80f,i1,i2. @â¦\83i1,fâ¦\84 â\89¡ i2 →
- â\88\80b,L1,L2. â¬\87*[b,⫱*[i2]f] L1 â\89¡ L2 →
- â¬\87*[b,â\86\91⫱*[⫯i2]f] L1 â\89¡ L2.
+lemma drops_tls_at: â\88\80f,i1,i2. @â¦\83i1,fâ¦\84 â\89\98 i2 →
+ â\88\80b,L1,L2. â¬\87*[b,⫱*[i2]f] L1 â\89\98 L2 →
+ â¬\87*[b,â\86\91⫱*[⫯i2]f] L1 â\89\98 L2.